—Hurry up! The bus is coming.—Wait a minute. Don’t cross the street the traffic lights are

问题补充：

—Hurry up! The bus is coming.

—Wait a minute. Don’t cross the street the traffic lights are green.

A. until

B. after

C. while

D. since

答案：

(答案→)A. until

B. after

C. while

D. since

解析：考查情景交际和not...until...句型。“快点！车来了。”“稍等。在红绿灯变绿前不要穿过马路。”A“直到”；B“......之后”；C“当......时候”；D“自从”。根据句意可知，用的是not...until句型。故选A。